WO2012168067A1 - Procédé pour l'absorption de co2 à partir d'un mélange gazeux - Google Patents

Procédé pour l'absorption de co2 à partir d'un mélange gazeux Download PDF

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Publication number
WO2012168067A1
WO2012168067A1 PCT/EP2012/059479 EP2012059479W WO2012168067A1 WO 2012168067 A1 WO2012168067 A1 WO 2012168067A1 EP 2012059479 W EP2012059479 W EP 2012059479W WO 2012168067 A1 WO2012168067 A1 WO 2012168067A1
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WO
WIPO (PCT)
Prior art keywords
absorption
absorption medium
gas mixture
desorption
gas
Prior art date
Application number
PCT/EP2012/059479
Other languages
German (de)
English (en)
Inventor
Jörn Rolker
Matthias Seiler
Rolf Schneider
Original Assignee
Evonik Degussa Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Priority to CA2838927A priority Critical patent/CA2838927A1/fr
Priority to US14/124,385 priority patent/US20140105801A1/en
Priority to EP12721566.3A priority patent/EP2720777A1/fr
Publication of WO2012168067A1 publication Critical patent/WO2012168067A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1475—Removing carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D211/56—Nitrogen atoms
    • C07D211/58—Nitrogen atoms attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • C10L3/101—Removal of contaminants
    • C10L3/102—Removal of contaminants of acid contaminants
    • C10L3/104—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/204—Amines
    • B01D2252/20436—Cyclic amines
    • B01D2252/20442—Cyclic amines containing a piperidine-ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/05—Biogas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/50—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/40—Sorption with wet devices, e.g. scrubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/32—Direct CO2 mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Definitions

  • the invention relates to a method for the absorption of CO2 from a gas mixture, in particular from a
  • Alkanolamines used as absorption medium used as absorption medium.
  • loaded absorption medium is regenerated by heating, releasing to a lower pressure or stripping, whereby the carbon dioxide is desorbed.
  • the absorption medium can be reused.
  • These methods are described, for example, in Rolker, J .; Arlt, W .; "Separation of carbon dioxide from flue gases by absorption” in Chemie Ingenieurtechnik 2006, 78, pages 416 to 424 and in Kohl, A.L .; Nielsen, R. B., "Gas Purification", 5th ed., Gulf Publishing,
  • Compound is separated by extraction.
  • a reactive compound for absorbing an acidic gas inter alia 4-amino-2, 2, 6, 6-tetramethylpiperidine is called.
  • WO 2010/089257 describes a process for the absorption of CO2 from a gas mixture with an absorption medium comprising water and a 4-amino-2,2,6,6-tetramethylpiperidine
  • Solvents such as sulfolane or ionic liquids, to keep the absorption medium single-phase and to achieve a higher absorption capacity for CO2.
  • the invention therefore provides a process for the absorption of CO 2 from a gas mixture by contacting the gas mixture with an absorption medium containing water and at least two different amines of the formula (I)
  • R is an n-alkyl group having 1 to 4 carbon atoms.
  • Absorption medium comprises water and at least two different amines of formula (I), wherein R is a
  • n-alkyl radical having 1 to 4 carbon atoms.
  • R can therefore be a methyl radical, an ethyl radical, an n-propyl radical or an n-butyl radical.
  • this includes
  • Absorption medium is a first amine of the formula (I) in which R is a methyl radical, and a second amine of the formula (I), for which R is an n-butyl radical or an n-propyl radical and preferably an n-butyl radical.
  • Amines of the formula (I) can be prepared from commercial triacetonamine by reductive amination, ie by reacting triacetoneamine with an amine of the formula RH 2 and hydrogen in the presence of a hydrogenation catalyst.
  • the absorption medium preferably contains two
  • the absorption medium preferably comprises a total of 10 to
  • the absorption medium may contain one or more physical solvents in addition to water and the amines of formula (I).
  • Solvents may be up to 50 wt .-%. Suitable physical solvents are sulfolane,
  • aliphatic acid amides such as N-formylmorpholine
  • N-acetylmorpholine N-alkylpyrrolidones, in particular
  • N-methyl-2-pyrrolidone or N-alkylpiperidones, as well
  • Diethylene glycol, triethylene glycol and polyethylene glycols and their alkyl ethers in particular
  • the absorption medium does not contain a physical solvent.
  • the absorption medium can additionally
  • Additives such as corrosion inhibitors, wetting additives and defoamers have.
  • Corrosion inhibitors are known, in particular the corrosion inhibitors described in US 4,714,597.
  • the amount of corrosion inhibitors can be significantly lower in the process according to the invention than in a conventional ethanolamine containing absorption medium, since the absorption medium used in the process according to the invention compared to metallic materials significantly less
  • the wetting-requiring additive used is preferably the nonionic surfactants known from WO 2010/089257 page 11, line 18 to page 13, line 7, zwitterionic surfactants and cationic surfactants.
  • Defoamers which may be used in the absorption medium are all substances which are suitable for the person skilled in the art for the absorption of CO 2 using alkanolamines
  • the gas mixture can be a natural gas, a methane-containing biogas from a fermentation, composting or
  • Wastewater treatment plant a combustion exhaust gas, an exhaust gas from a calcination reaction, such as the burning of lime or the production of cement, a residual gas from a
  • the gas mixture is preferably a combustion exhaust gas or a gas mixture from the fermentation or composting of biomass, particularly preferably a combustion exhaust gas, for example from a power plant.
  • the gas mixture may contain, in addition to CO 2 , other acid gases such as COS, H 2 S, CH 3 SH or SO 2 .
  • the Gas mixture in addition to CO2 still H2 S.
  • Combustion exhaust gas is preferably previously desulfurized, i. S O2 is extracted from the gas mixture with a desulfurization process known from the prior art,
  • the CO2-containing gas mixture is brought into contact with the absorption medium at an initial partial pressure of CO2 of 0.01 to 0.5 bar. More preferably, the initial partial pressure of CO2 in the gas mixture is from 0.05 to 0.5 bar, more preferably from 0.1 to 0.5 bar, and most preferably from 0.1 to 0.2 bar.
  • the total pressure of the gas mixture is preferably in the range of 0.8 to 10 bar, more preferably 0.9 to 5 bar.
  • the gas mixture preferably has a content of CO2 in the atmosphere before being brought into contact with the absorption medium
  • Range of 0.1 to 50% by volume more preferably in the range of 1 to 20% by volume, and most preferably in the range of 10 to 20% by volume.
  • the gas mixture may contain oxygen in addition to CO2, preferably in a proportion of 0.1 to
  • Any apparatus suitable for contacting a gaseous phase with a liquid phase may be used in the method of the present invention to contact the gas mixture with the absorption medium.
  • membrane contactors for example, membrane contactors, radial flow scrubber, jet scrubber, venturi scrubber, rotary scrubber packed columns, packed columns or tray columns. Particular preference is given to absorption columns in the
  • the absorption of CO2 is preferably carried out at a temperature of the absorption medium in the range of 10 to 80 ° C, particularly preferably 20 to 50 ° C.
  • the temperature of the absorption medium in the range of 10 to 80 ° C, particularly preferably 20 to 50 ° C.
  • Absorption medium particularly preferably 30 to 60 ° C when entering the column and 35 to 70 ° C when leaving the column.
  • CO2 absorbed in the absorption medium is desorbed again by increasing the temperature and / or reducing the pressure, and the absorption medium is used again for the absorption of CO2 after this desorption of CO2.
  • Desorption preferably takes place by raising the temperature.
  • Components of the gas mixture can be obtained.
  • desorption may also be performed by stripping the CO2 laden absorption medium with an inert gas, such as air or nitrogen.
  • Absorption medium may be added to water before reuse for absorption if necessary.
  • the desorption it is possible to use all apparatus known from the prior art for the desorption of a gas from a liquid.
  • the Desorption carried out in a desorption column.
  • the desorption of CO2 can also be carried out in one or more flash evaporation stages.
  • the desorption is preferably carried out at a temperature in the range of 30 to 180 ° C.
  • the desorption of CO2 is preferably carried out at a temperature of the absorption medium in the range of 50 to 180 ° C, particularly preferably 80 to 150 ° C.
  • the temperature during the desorption is preferably at least 20 ° C., more preferably
  • the desorption is carried out by stripping with an inert gas, such as air or nitrogen, in a desorption column. Stripping in the desorption column is preferably carried out at a temperature of
  • composition of the absorption medium is selected so that in a
  • Suitable inert gases are all gases which are under the conditions of
  • the absorption medium is heated to a temperature at which phase separation into an aqueous CO 2 -rich and organic low-carbon liquid phase takes place and from the aqueous liquid phase by reduction of pressure and / or Supply of heat CO2
  • the resulting liquid phase is combined with the organic liquid phase obtained in the phase separation and the combined liquid phases are brought back into contact with the gas mixture as an absorption medium.
  • the CO 2 stroke and the relative absorption rate 150 g of absorption medium were added a thermostated container with attached and cooled to 3 ° C reflux condenser presented. After heating to 40 ° C or 100 ° C, a gas mixture of 14 vol% CO2, 80% by volume of nitrogen and 6% by volume of oxygen was passed through the absorption medium via a frit on the container bottom at a flow rate of 59 1 / h the CO 2 concentration in the gas stream leaving the reflux condenser over the
  • Absorption medium determined. The so determined
  • TAD 4-amino-2, 2, 6, 6-tetramethylpiperidine
  • Me-TAD 4-methylamino-2, 2, 6, 6-tetramethylpiperidine
  • Pr-TAD 4- (n-propylamino) -2,2,6,6-tetramethylpiperidine
  • Bu-TAD 4- (n-butylamino) -2,2,6,6-tetramethylpiperidine Table 1

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)

Abstract

L'invention concerne un procédé pour l'absorption de CO2 à partir d'un mélange gazeux par la mise en contact du mélange gazeux avec un milieu d'absorption comprenant de l'eau et au moins deux amines différentes de la formule (I), dans laquelle R est un radical n-alkyle comprenant de 1 à 4 atomes de carbone, permettant une capacité d'absorption élevée pour le CO2 et évitant également sans ajout de solvant la précipitation d'un solide lors de l'absorption du CO2.
PCT/EP2012/059479 2011-06-10 2012-05-22 Procédé pour l'absorption de co2 à partir d'un mélange gazeux WO2012168067A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2838927A CA2838927A1 (fr) 2011-06-10 2012-05-22 Procede pour l'absorption de co2 a partir d'un melange gazeux
US14/124,385 US20140105801A1 (en) 2011-06-10 2012-05-22 Method for absorption of co2 from a gas mixture
EP12721566.3A EP2720777A1 (fr) 2011-06-10 2012-05-22 Procédé pour l'absorption de co2 à partir d'un mélange gazeux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11169507.8 2011-06-10
EP11169507A EP2532414A1 (fr) 2011-06-10 2011-06-10 Procédé destiné à l'absorption de CO2 à partir d'un mélange de gaz

Publications (1)

Publication Number Publication Date
WO2012168067A1 true WO2012168067A1 (fr) 2012-12-13

Family

ID=46086004

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/059479 WO2012168067A1 (fr) 2011-06-10 2012-05-22 Procédé pour l'absorption de co2 à partir d'un mélange gazeux

Country Status (4)

Country Link
US (1) US20140105801A1 (fr)
EP (2) EP2532414A1 (fr)
CA (1) CA2838927A1 (fr)
WO (1) WO2012168067A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8500867B2 (en) 2009-02-02 2013-08-06 Evonik Degussa Gmbh CO2 absorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethylpiperidine
US8932478B2 (en) 2008-02-05 2015-01-13 Evonik Degussa Gmbh Process for the absorption of a volatile substance in a liquid absorbent
US9221007B2 (en) 2011-11-14 2015-12-29 Evonik Degussa Gmbh Method and device for separating acid gases from a gas mixture
DE102016204928A1 (de) 2016-03-24 2017-09-28 Evonik Degussa Gmbh Verfahren, Absorptionsmedien zur Absorption von CO2 aus Gasmischungen
US10493398B2 (en) 2015-09-29 2019-12-03 Basf Se Cyclic amine for selectively removing hydrogen sulphide

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
DE102012200907A1 (de) 2012-01-23 2013-07-25 Evonik Industries Ag Verfahren und Absorptionsmedium zur Absorption von CO2 aus einer Gasmischung
DE102012207509A1 (de) * 2012-05-07 2013-11-07 Evonik Degussa Gmbh Verfahren zur Absorption von CO2 aus einer Gasmischung
DE102015212749A1 (de) 2015-07-08 2017-01-12 Evonik Degussa Gmbh Verfahren zur Entfeuchtung von feuchten Gasgemischen
EP3257843A1 (fr) 2016-06-14 2017-12-20 Evonik Degussa GmbH Procédé pour préparer un sel tres pur d'imidazolium
DE102016210484A1 (de) 2016-06-14 2017-12-14 Evonik Degussa Gmbh Verfahren zur Entfeuchtung von feuchten Gasgemischen
DE102016210478A1 (de) 2016-06-14 2017-12-14 Evonik Degussa Gmbh Verfahren zur Entfeuchtung von feuchten Gasgemischen
DE102016210481B3 (de) 2016-06-14 2017-06-08 Evonik Degussa Gmbh Verfahren zum Reinigen einer ionischen Flüssigkeit
EP3257568B1 (fr) 2016-06-14 2019-09-18 Evonik Degussa GmbH Procede de deshumidification de melanges gazeux humides par des liquides ioniques
DE102016210483A1 (de) 2016-06-14 2017-12-14 Evonik Degussa Gmbh Verfahren und Absorptionsmittel zur Entfeuchtung von feuchten Gasgemischen

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US4714597A (en) 1986-06-26 1987-12-22 Hylsa, S.A. Corrosion inhibitor for CO2 absorption process using alkanolamines
EP1582250A2 (fr) * 2004-03-09 2005-10-05 Basf Aktiengesellschaft Absorbant avec une réstistance améliorée à l'oxidation et procédé pour désacidifier des courants de fluides
FR2900841A1 (fr) 2006-05-10 2007-11-16 Inst Francais Du Petrole Procede de desacidification avec extraction des composes reactifs
US20070286783A1 (en) 2006-05-10 2007-12-13 Pierre-Louis Carrette Method of deacidizing a gaseous effluent with extraction of the products to be regenerated
US7419646B2 (en) 2004-11-12 2008-09-02 Institut Francais Du Petrole Method of deacidizing a gas with a fractional regeneration absorbent solution
US20090199709A1 (en) 2006-03-10 2009-08-13 Ifp Method of deacidizing a gas by means of an absorbent solution with fractionated regeneration through heating
WO2010089257A1 (fr) 2009-02-02 2010-08-12 Evonik Degussa Gmbh Absorption de co2 contenu dans des mélanges gazeux au moyen d'une solution aqueuse de 4-amino-2,2,6,6-tétraméthylpipéridine

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US4714597A (en) 1986-06-26 1987-12-22 Hylsa, S.A. Corrosion inhibitor for CO2 absorption process using alkanolamines
EP1582250A2 (fr) * 2004-03-09 2005-10-05 Basf Aktiengesellschaft Absorbant avec une réstistance améliorée à l'oxidation et procédé pour désacidifier des courants de fluides
US7419646B2 (en) 2004-11-12 2008-09-02 Institut Francais Du Petrole Method of deacidizing a gas with a fractional regeneration absorbent solution
US20090199709A1 (en) 2006-03-10 2009-08-13 Ifp Method of deacidizing a gas by means of an absorbent solution with fractionated regeneration through heating
FR2900841A1 (fr) 2006-05-10 2007-11-16 Inst Francais Du Petrole Procede de desacidification avec extraction des composes reactifs
US20070286783A1 (en) 2006-05-10 2007-12-13 Pierre-Louis Carrette Method of deacidizing a gaseous effluent with extraction of the products to be regenerated
WO2010089257A1 (fr) 2009-02-02 2010-08-12 Evonik Degussa Gmbh Absorption de co2 contenu dans des mélanges gazeux au moyen d'une solution aqueuse de 4-amino-2,2,6,6-tétraméthylpipéridine

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KOHL, A. L.; NIELSEN, R. B.: "Gas Purification", 1997, GULF PUBLISHING
ROLKER, J.; ARLT, W.: "Abtrennung von Kohlendioxid aus Rauchgasen mittels Absorption", CHEMIE INGENIEUR TECHNIK, vol. 78, 2006, pages 416 - 424, XP002554080, DOI: doi:10.1002/cite.200600017

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8932478B2 (en) 2008-02-05 2015-01-13 Evonik Degussa Gmbh Process for the absorption of a volatile substance in a liquid absorbent
US8500867B2 (en) 2009-02-02 2013-08-06 Evonik Degussa Gmbh CO2 absorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethylpiperidine
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US20140105801A1 (en) 2014-04-17
CA2838927A1 (fr) 2012-12-13
EP2532414A1 (fr) 2012-12-12

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